The scripts etc. will be back as soon as all things are sorted out..
The briefing is written in simple
html code, each BIS mission includes one, or you can take a look at our
Temporary Editors Depot Tutorials section; there is one example briefing but it doesn't actually teach you the html code it just shows what is what..
It may seem confusing at first but it really is not
You can use notepad or wordpad etc. for editing it..